Thermal lensing measurements in diode-pumped Yb-doped GdCOB, YCOB, YSO, YAG and KGW

被引：42

作者：

Chénais, S ^{[1
]}

Druon, F ^{[1
]}

Balembois, F ^{[1
]}

Lucas-Leclin, G ^{[1
]}

Fichot, Y ^{[1
]}

Georges, P ^{[1
]}

Gaumé, R ^{[1
]}

Viana, B ^{[1
]}

Aka, GP ^{[1
]}

Vivien, D ^{[1
]}

机构：

[1] ENSCP, Lab Chim Appl Etat Solide, UMR 7574, CNRS, F-75231 Paris 05, France

来源：

OPTICAL MATERIALS | 2003年 / 22卷 / 02期

关键词：

D O I：

10.1016/S0925-3467(02)00356-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A Shack-Hartmann wavefront sensor was used to measure thermal lensing in diode-end-pumped Yb-doped GdCOB, YCOB, YSO, YAG, and KGW crystals, under lasing or nonlasing conditions. Measured thermal lenses are aberration-free, and their focal lengths under lasing action range from 40 to 140 mm for 5 W of absorbed power. When laser action was inhibited the thermal lens dioptric power was increased significantly in most crystals, supplying evidence that nonradiative mechanisms exist. Reduction of thermal effects in a composite YCOB crystal is also investigated, as well as the dependence of thermal lensing on the emission wavelength in YSO. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：129 / 137

页数：9

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